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小辛辛❤️
2017-03-29, 3832 Views
小辛辛❤️
红掌不知道为什么变成这样纸,求高手指教
红掌不知道为什么变成这样纸,求高手指教
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左下角嫩叶缺一个叶角,建议在观察下叶背、茎干、盆土里是否有虫子,如没有就是病害。
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@jane5352 哇塞,谢谢,那我先把坏的叶子剪掉吧,估计和放在屋里有关,还要拿到阳台通风,谢谢
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炭疽病。高温高湿引发的。防治方法为药剂防治和加强栽培管理,要经常通风透光,避免浇水溅在叶片上,及时摘除病叶。
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